SC418
0
Typical Characteristics (continued)
Characteristics in this section are based on using the Detailed Application Circuit.
Frequency vs. Load  Power-Save Mode
200
220
240
260
280
300
320
0   1    2    3    4    5    6    7   8    9   10
 I
OUT
 (A)
 Internally biased at V
LDO
 = 5V, V
IN
 = 12V, V
OUT
 = 1.050V
V
RIPPLE
  vs. Load  Forced Continuous Mode
0.00
0.05
0.10
0.15
0.20
0    1    2    3    4    5    6    7    8    9   10
I
OUT
 (A)
VOUT
P-P
 Internally biased at V
LDO
 = 5V, V
IN
 = 12V, V
OUT
 = 1.050V
Output Over-Current Response  Normal Operation
Time (100祍/div)
VOUT
(500mV/div)
LX
(5A/div)
PGOOD
(5V/div)
V
IN
 = 2V, V
OUT
= .05V, V
LDO
 = 5V , I
OUT
 ramped to trip point
IOUT
 (5A/div)
Frequency vs. Load  Ultrasonic Power-Save Mode
0
50
100
150
200
250
300
0    1   2    3    4    5    6   7    8    9   10
I
OUT
(A)
 Internally biased at V
LDO
 = 5V, V
IN
 = 12V, V
OUT
 = 1.050V, R
PSV
 = 115k&
 Externally biased at VDDA/VDDP = 5V, V
IN
 = 12V, V
OUT
 = 1.050V
0
50
100
150
200
250
300
0   1    2    3   4    5    6    7    8    9   10
I  A
Frequency vs. Load  Forced Continuous Mode
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